diff --git a/unix/tcl.m4 b/unix/tcl.m4
index 194cf90..76773f3 100644
--- a/unix/tcl.m4
+++ b/unix/tcl.m4
@@ -1415,12 +1415,12 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [
 	    # get rid of the warnings.
 	    #CFLAGS_OPTIMIZE="${CFLAGS_OPTIMIZE} -D__NO_STRING_INLINES -D__NO_MATH_INLINES"
 
-	    SHLIB_LD='${CC} -shared ${CFLAGS} ${LDFLAGS}'
+	    SHLIB_LD='${CC} -shared ${CFLAGS} ${LDFLAGS} -fPIC -Wl,-soname,${@}'
 	    DL_OBJS="tclLoadDl.o"
 	    DL_LIBS="-ldl"
 	    LDFLAGS="$LDFLAGS -Wl,--export-dynamic"
 	    AS_IF([test $doRpath = yes], [
-		CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'])
+		CC_SEARCH_FLAGS=''])
 	    LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
 	    AS_IF([test "`uname -m`" = "alpha"], [CFLAGS="$CFLAGS -mieee"])
 	    AS_IF([test $do64bit = yes], [